/*
 * Copyright 2006 Jerry Huxtable
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alee.graphics.filters;

/**
 * A filter which performs a simple 3x3 sharpening operation.
 *
 * @author Jerry Huxtable
 */
public class SharpenFilter extends ConvolveFilter
{
    private static float[] sharpenMatrix = {
            0.0f, -0.2f, 0.0f,
            -0.2f, 1.8f, -0.2f,
            0.0f, -0.2f, 0.0f
    };

    public SharpenFilter ()
    {
        super ( sharpenMatrix );
    }

    @Override
    public String toString ()
    {
        return "Blur/Sharpen";
    }
}